<?php

/**
 * SvcPHP
 *
 * Copyright (C) 2012 João Francisco Biondo Trinca
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
 * @package    SvcPHP
 * @author     João Francisco Biondo Trinca <wolfulus@gmail.com>
 * @copyright  2012 João Francisco Biondo Trinca <wolfulus@gmail.com>
 * @license    http://www.opensource.org/licenses/mit-license.html  MIT License
 * @link       http://code.google.com/p/svcphp/
 *
 */

/**
 * Implements the template url plugin.
 */
class Svc_Template_Plugin_Url implements Svc_Template_Plugin
{
    /**
     * Creates a new instance of the url plugin.
     *
     */
    public function __construct()
    {
    }

    /**
     * Returns the plugin id.
     *
     * @return string
     */
    public function id()
    {
        return 'url';
    }

    /**
     * Installs the translator into the template engine.
     *
     * @param Svc_TemplateData $data
     */
    public function register(&$data)
    {
        $data->register('url', function ($controller, $action = 'index', $params = array())
        {
            return Svc_Template_Plugin_Url::url($controller, $action, $params);
        });
    }

    /**
     * Creates an url.
     *
     * @param string $controller
     * @param string $action
     * @param mixed $params
     * @return string
     */
    public static function url($controller, $action = 'index', $params = array())
    {
        $target = strtolower($controller) . '/' . strtolower($action);
        if (sizeof($params) > 0)
        {
            foreach ($params as $value)
            {
                $target .= '/' . urlencode($value);
            }
        }
        else
        {
            if ($target == 'index/index')
            {
                $target = '';
            }
            else if (strtolower($action) == 'index')
            {
                $target = strtolower($controller);
            }
        }
        if (Svc_Application::instance()->isUsingRewrite())
        {
            return '/' . $target;
        }
        else
        {
            return '?' . Svc_Application::instance()->getNavigationKey() . '=' . urlencode($target);
        }
    }
}